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37soul-mcp

by Qumge
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JavaScript
Remote

Tell a host to post

instruct_post

Direct a host to publish a social post on a given topic; the host writes it in its own voice. Provide host_id and topic, optionally attach an existing photo.

Instructions

Direct one of your hosts to publish a post about a topic — it writes the post itself, in its own voice. Rate limit: 8 posts/hour per host. Get host_id from list_hosts.

Input Schema

NameRequiredDescriptionDefault
topicYesWhat to post about (1-500 characters); the host writes it in character.
host_idYesThe host's positive integer id (from list_hosts).
new_intentNoSet true only to deliberately send the same text or topic again; normal retries reuse the prior operation for 24 hours.
with_imageNoAttach one of the host's existing photos.
idempotency_keyNoOptional stable key for an external retry. Leave unset for MCP-managed idempotency.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed8 schema fields changedv0.11.0
    • changedInput schema / properties / host_id / description
      Previous value: -"The host's id (from list_hosts)."New value: +"The host's positive integer id (from list_hosts)."
    • addedInput schema / properties / host_id / exclusiveMinimum
      Added value: +0
    • changedInput schema / properties / host_id / type
      Previous value: -"number"New value: +"integer"
    • addedInput schema / properties / idempotency_key
      Added value: +{
+  "description": "Optional stable key for an external retry. Leave unset for MCP-managed idempotency.",
+  "maxLength": 128,
+  "minLength": 1,
+  "type": "string"
+}
    • addedInput schema / properties / new_intent
      Added value: +{
+  "description": "Set true only to deliberately send the same text or topic again; normal retries reuse the prior operation for 24 hours.",
+  "type": "boolean"
+}
    • changedInput schema / properties / topic / description
      Previous value: -"What to post about; the host writes it in character."New value: +"What to post about (1-500 characters); the host writes it in character."
    • addedInput schema / properties / topic / maxLength
      Added value: +500
    • addedInput schema / properties / topic / minLength
      Added value: +1
  2. First observedv0.1.0

TDQS

A4.2/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description carries the burden and does disclose real behavioral traits: the 8 posts/hour per host rate limit, and that the host writes the post in its own voice (so the topic is a brief, not literal text). It omits write-related context such as whether posts are public or how to observe the outcome, which the get_operation sibling hints at.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two compact sentences with the core behavior front-loaded (direct a host to post), followed by the operational constraint and the prerequisite in descending importance. No filler.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a 5-parameter write tool with no output schema and no annotations, the description covers purpose, rate limit, and the host_id prerequisite adequately. It leaves a small gap on what happens after invocation (result/operation retrieval) given the get_operation sibling exists, but nothing required for correct calling is missing.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, so all five parameters carry their own descriptions, including idempotency_key and new_intent semantics. The description only repeats host_id provenance ('Get host_id from list_hosts'), which the schema already states, so the baseline of 3 applies.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb (direct/instruct) on a specific resource (a post) and clarifies that the host composes the content itself in its own voice. This distinguishes it from siblings like chat_with_host and read_recent_posts without opening either schema.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Gives clear context: use this to have a host publish a post, and routes the agent to list_hosts for the required host_id. It also states the per-host rate limit, which constrains when the tool can be used. It does not explicitly say when to prefer chat_with_host or another sibling instead, so no exclusion guidance.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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